Help auditing user activity - Only getting partial information.

Hi

I am pretty new to Netsuite as our organisation is currently in the process of switching over from Sage.

I am a Purchase Ledger Administrator and I am trying to set up a report of user activity on supplier accounts, specifically changes to supplier bank account details.

The only way I have found to do this is to use the Audit Trail link in Suppliers/Lists and select the individual user.This link presents me with a load of options under the heading Supplier Audit Trail. If I just select a user (a colleague who is currently updating bank details etc before we go live) I get a report of various activities (see attached file) but not what I actually want; noticeably her inputting of bank details and sort codes is missing from this report but she has definitely been doing this, in the course of updating our supplier